Note 6 - Investments Change in Unrealized Gains (Losses) Recorded in AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	$ (22,573)	$ 13,650	$ 19,149
Less reclassification adjustment for net (losses) gains included in net income (loss), net of tax	44,183	(1,039)	656
Net unrealized gains on investments	(66,756)	14,689	18,493
Fixed Maturities [Member]
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	(24,246)	4,531	(240)
Less reclassification adjustment for net (losses) gains included in net income (loss), net of tax	(764)	(1,039)	929
Net unrealized gains on investments	(23,482)	5,570	(1,169)
Equity securities
Change In Unrealized Gains (Losses) Recorded In AOCI [Line Items]
Unrealized holding gains (losses) arising during the period, net of tax	1,673	9,119	19,389
Less reclassification adjustment for net (losses) gains included in net income (loss), net of tax	44,947	0	(273)
Net unrealized gains on investments	$ (43,274)	$ 9,119	$ 19,662